Zones 9-11 (All colder climates outdoors summer, winter indoors as houseplant.) Known by many names including Pencil Tree makes a handsome companion to our cascading Rhipsalis Pencil Plant or any of our hen and chicks or sedums. Fires Sticks are easy to grow, water only when dry and give good drainage. Outdoors in the above zones in full sun. Northern climates outdoors in summer then site near a window as direct sunlight will help produce the shades of red, pink and orange. Tiny leaves appear here and there along the stems and in winter clusters of flowers appear along stem tips and nodes.